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Q: Under specific conditions,Plasma Cleaner is able to change the surface property of material(s) Plasma treated, could you please give an an example of it?
在特定情况下，等离子清洗机可以改变材料的表面性质，举例如下：

A: The plasma treatment can change the surface chemistry of the material based on the process gas that is used to generate the plasma. This can thus change the surface properties of the material. For example, an air or oxygen plasma is commonly used in our plasma units to introduce hydroxyl (OH) groups on the surface of polymers (e.g. polystyrene, polyethylene). This changes the surface from normally hydrophobic (high water contact angle) to hydrophilic (water contact angle of <30 degrees) and increases the surface wettability. Plasma treatment can also change the surface chemistry (and thus surface properties) of other materials, such as silicon, stainless steel, and glass.

被用于产生等离子体的处理气体，等离子处理可改变材料的表面化学。因此能改变材料的表面性质。例如，大气或是氧气等离子体常用在聚合物(例如聚苯乙烯, 聚乙烯)表面产生羟基。通常表面从疏水性(高水接触角)改变至亲水性（水接触角小于30度），并增加表面润湿性能。等离子处理也能改变其它材料的表面化学（表面性质），如硅、不锈钢及玻璃。